Home / 17,947.14-26,891.08-10,429.60

Finding the Fourth Proportional to 17,947.14, 26,891.08 and 10,429.60

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Solution

The fourth proportional to 17,947.14, 26,891.08 and 10,429.60 is: 15,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.14 : 26,891.08 = 10,429.60 : x
  2. Step 2: Convert to fraction form
    17,947.14/26,891.08 = 10,429.60/x
  3. Step 3: Cross multiply
    17,947.14x = 26,891.08 × 10,429.60
  4. Step 4: Simplify right side
    17,947.14x = 280,463,073.51
  5. Step 5: Solve for x
    x = 280,463,073.51/17,947.14
  6. Step 6: Final answer
    x = 15,627.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.